Luther Burbank invented over 800 varieties of plants â€” edible and ornamental. His Burbank potato is still the most widely grown commercial potato. Jane S. Smith, author of a new book about Burbank, describes his contributions to horticultural science and the food we eat.

Can you remember everything you see when you walk into a room? Why does our memory deceive us, even when we're confident we're paying attention? Psychologists Christopher Chabris and Daniel Simons discuss what grabs our focus, and why.

Researchers from the American Meteorological Society are meeting in January in New Orleans, the site of the hurricane Katrina disaster in 2005. Guest host Joe Palca talks with a hurricane scientist about whether there is a clear link between climate change and hurricanes and tropical cyclones.